<template>
  <view class="login-container">
    <!-- 提示登录的图标 -->
    <uni-icons type="contact-filled" size="100" color="#AFAFAF"></uni-icons>
    <!-- 登录按钮 -->
    <button type="primary" class="btn-login" @click="getUserProfile">一键登录</button>
    <!-- 登录提示 -->
    <view class="login-tips">登录后尽享更多权益</view>
  </view>
</template>

<script>
  import {
    mapMutations,
    mapState
  } from 'vuex'
  export default {
    name: "my-login",
    data() {
      return {

      };
    },
    computed: {
      ...mapState('m_user', ['redirectInfo']),
    },
    methods: {
      ...mapMutations('m_user', ['saveUserInfo', 'updateToken', 'updateRedirectInfo']),
      async getUserProfile() {
        // 调的是微信api
        const [err, res] = await uni.getUserProfile({
          desc: '完善个人资料'
        })
        if (err) return uni.$showMsg('您拒绝授权！')
        console.log(res)
        // 保存用户信息到vuex
        this.saveUserInfo(res.userInfo)

        // 获取token
        this.getToken(res)
      },

      // 获取token
      async getToken(info) {
        // 1、微信登录
        const [err, res] = await uni.login()

        if (err) return uni.$showMsg('微信登录失败！')

        // 2、登录你们公司的接口
        console.log(res)
        console.log(info)
        // 准备参数对象，你们公司要求的
        const data = {
          code: res.code, // 微信登录返回的code
          encryptedData: info.encryptedData,
          iv: info.iv,
          rawData: info.rawData,
          signature: info.signature
        }
        // 调用公司接口
        const {
          data: loginResult
        } = await uni.$http.post('/users/wxlogin', data)

        // 判断公司接口是否登录成功
        if (loginResult.meta.status !== 200) return uni.$showMsg('黑马优购登录失败！')

        //登录成功
        uni.$showMsg('黑马优购登录成功！')
        console.log(loginResult)
        // 保存token到vuex
        this.updateToken(loginResult.message.token)
        // this.updateToken(
        // 	'Bearer eyJhbGciOiJIUzI1NiIsInR5cCI6IkpXVCJ9.eyJ1aWQiOjIxNCwiaWF0IjoxNjcwNzQ0NzgxLCJleHAiOjEwMDE2NzA3NDQ3ODB9.vt7ckhW0XKLr2eoEoea1QzVy4KTPgHxjh3fHmX7bYqc'
        // 	)
        // 回跳
        this.navigateBack()
      },
      // 回跳
      navigateBack() {
        if (this.redirectInfo && this.redirectInfo.openType === 'switchTab') {
          uni.switchTab({
            url: this.redirectInfo.from,
            complete: () => {
              this.updateRedirectInfo(null)
            }
          })
        }
      }
    }
  }
</script>

<style lang="scss">
  .login-container {
    // 登录盒子的样式
    height: 750rpx;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    background-color: #f8f8f8;
    position: relative;
    overflow: hidden;

    // 绘制登录盒子底部的半椭圆造型
    &::after {
      content: ' ';
      display: block;
      position: absolute;
      width: 100%;
      height: 40px;
      left: 0;
      bottom: 0;
      background-color: white;
      border-radius: 100%;
      transform: translateY(50%);
    }

    // 登录按钮的样式
    .btn-login {
      width: 90%;
      border-radius: 100px;
      margin: 15px 0;
      background-color: #c00000;
    }

    // 按钮下方提示消息的样式
    .login-tips {
      font-size: 12px;
      color: gray;
    }
  }
</style>
